Battle of the Imjin River

The Battle of the Imjin River (Filipino: Labanan sa Ilog Imjin), also known as the Battle of Solma-ri (Korean: 설마리 전투) or Battle of Gloster Hill (글로스터 고지 전투) in South Korea, or as Battle of Xuemali (Chinese: 雪马里战斗; pinyin: Xuě Mǎ Lǐ Zhàn Dòu) in China, took place 22–25 April 1951 during the Korean War. Troops from the Chinese People's Volunteer Army (PVA) attacked United Nations Command (UN) positions on the lower Imjin River in an attempt to achieve a breakthrough and recapture the South Korean capital Seoul.

Source: Wikipedia — Battle of the Imjin River (CC BY-SA 4.0)